Finding the Fourth Proportional to 58,012.84, 86,871.57 and 38,231.41

Step by Step Solution

1. Step 1: Write the proportion equation
   58,012.84 : 86,871.57 = 38,231.41 : x
2. Step 2: Convert to fraction form
   58,012.84/86,871.57 = 38,231.41/x
3. Step 3: Cross multiply
   58,012.84x = 86,871.57 × 38,231.41
4. Step 4: Simplify right side
   58,012.84x = 3,321,222,610.01
5. Step 5: Solve for x
   x = 3,321,222,610.01/58,012.84
6. Step 6: Final answer
   x = 57,249.78